Busy. Please wait.

Forgot Password?

Don't have an account?  Sign up 

show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.

By signing up, I agree to StudyStack's Terms of Service and Privacy Policy.

Already a StudyStack user? Log In

Reset Password
Enter the email address associated with your account, and we'll email you a link to reset your password.

Remove ads
Don't know (0)
Know (0)
remaining cards (0)
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
restart all cards

Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

vocab 3

Nonrenewable resource An energy source that is used up much faster than it can be replaced is a nonrenewable resource.
renewable resource is an energy resource source that is replenished continually.
alternative resource include solar energy, wind geothermal energy.
inexhastible resource is an energy resource that can't be used up by humans
photovoltaic is a device that transforms radiant energy into electrical energy.
geothermal energy energy derived from the heat in the interior of the earth.
Solar energy Radiant energy emitted by the sun.
hydro electricity electricity produced by water power.
Fossil fuels A natural fuel such as coal or gas, formed in the geological past from the remains of living organisms..
Created by: trobinson8